{"created":"2023-06-20T15:16:40.308682+00:00","id":10392,"links":{},"metadata":{"_buckets":{"deposit":"4bee9a4c-d85c-4180-bf4b-d579e400d25f"},"_deposit":{"created_by":3,"id":"10392","owners":[3],"pid":{"revision_id":0,"type":"depid","value":"10392"},"status":"published"},"_oai":{"id":"oai:nifs-repository.repo.nii.ac.jp:00010392","sets":["8:32"]},"author_link":["65331","65332"],"item_5_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1992-09-01","bibliographicIssueDateType":"Issued"},"bibliographic_titles":[{},{"bibliographic_title":"Research Report NIFS-Series","bibliographic_titleLang":"en"}]}]},"item_5_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"\"Full-torus, compressible, resistive MHD simulations have been performed to study the mechanism of fast crash in the sawtooth oscillation. The simulation results reveal that the q value, which at first decreases in accordance with current pea,king subject to ohmic heating, starts increasing in the q < l region due to strong excitation of nonlinear modes and becomes flattened. When the q profile is flattened in the q < 1 region, the plasma flow pushes the magnetic surface radially outwards and the poloidal magnetic field lines are driven to reconnect rapidly with each other across the q=1 surface. Consbquently, the central hot plasma is pushed out towards the wall to crash its confinement. It turns out that the m=1 plasma flow induced by the kink instability, rather than the pressure gradient, plays a decisive role in the crash process.\"","subitem_description_type":"Abstract"}]},"item_5_source_id_10":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0915-633X","subitem_source_identifier_type":"ISSN"}]},"item_5_text_8":{"attribute_name":"報告書番号","attribute_value_mlt":[{"subitem_text_value":"NIFS-167"}]},"item_access_right":{"attribute_name":"アクセス権","attribute_value_mlt":[{"subitem_access_right":"metadata only access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_14cb"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"\"Watanabe,  K.","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Sato,  T.\"","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_keyword":{"attribute_name":"キーワード","attribute_value_mlt":[{"subitem_subject":"tokamak","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"sawtooth oscillation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"computer simulation","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"magnetohydrodynamics","subitem_subject_language":"en","subitem_subject_scheme":"Other"},{"subitem_subject":"magnetic reconnection","subitem_subject_language":"en","subitem_subject_scheme":"Other"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"research report","resourceuri":"http://purl.org/coar/resource_type/c_18ws"}]},"item_title":"A Triggering Mechanism of Fast Crash in Sawtooth Oscillation","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"A Triggering Mechanism of Fast Crash in Sawtooth Oscillation","subitem_title_language":"en"}]},"item_type_id":"5","owner":"3","path":["32"],"pubdate":{"attribute_name":"公開日","attribute_value":"2010-02-05"},"publish_date":"2010-02-05","publish_status":"0","recid":"10392","relation_version_is_last":true,"title":["A Triggering Mechanism of Fast Crash in Sawtooth Oscillation"],"weko_creator_id":"3","weko_shared_id":-1},"updated":"2023-06-20T20:50:23.616180+00:00"}